#include <qplaintextedit_p.h>

Inheritance diagram for QPlainTextEditControl:

Public Functions
QRectF	blockBoundingRect (const QTextBlock &block) const

bool	canInsertFromMimeData (const QMimeData *source) const

QMimeData *	createMimeDataFromSelection () const

QRectF	cursorRect (const QTextCursor &cursor) const

QRectF	cursorRect ()

void	ensureCursorVisible ()

QTextBlock	firstVisibleBlock () const

int	hitTest (const QPointF &point, Qt::HitTestAccuracy=Qt::FuzzyHit) const

void	insertFromMimeData (const QMimeData *source)

QVariant	loadResource (int type, const QUrl &name)

	QPlainTextEditControl (QPlainTextEdit *parent)

Public Functions inherited from QTextControl
bool	acceptRichText () const

QString	anchorAt (const QPointF &pos) const

QString	anchorAtCursor () const

QPointF	anchorPosition (const QString &name) const

bool	canPaste () const

QMenu *	createStandardContextMenu (const QPointF &pos, QWidget *parent)

QTextCharFormat	currentCharFormat () const

QTextCursor	cursorForPosition (const QPointF &pos) const

bool	cursorIsFocusIndicator () const

QRectF	cursorRect (const QTextCursor &cursor) const

QRectF	cursorRect () const

int	cursorWidth () const

QTextDocument *	document () const

void	drawContents (QPainter painter, const QRectF &rect=QRectF(), QWidget widget=0)

QList< QTextEdit::ExtraSelection >	extraSelections () const

bool	find (const QString &exp, QTextDocument::FindFlags options=0)

bool	findNextPrevAnchor (const QTextCursor &from, bool next, QTextCursor &newAnchor)

QAbstractTextDocumentLayout::PaintContext	getPaintContext (QWidget *widget) const

bool	ignoreUnusedNavigationEvents () const

virtual QVariant	inputMethodQuery (Qt::InputMethodQuery property) const

bool	isDragEnabled () const

bool	isWordSelectionEnabled () const

void	mergeCurrentCharFormat (const QTextCharFormat &modifier)

void	moveCursor (QTextCursor::MoveOperation op, QTextCursor::MoveMode mode=QTextCursor::MoveAnchor)

bool	openExternalLinks () const

bool	overwriteMode () const

QPalette	palette () const

void	print (QPrinter *printer) const

virtual void	processEvent (QEvent e, const QMatrix &matrix, QWidget contextWidget=0)

void	processEvent (QEvent e, const QPointF &coordinateOffset=QPointF(), QWidget contextWidget=0)

	QTextControl (QObject *parent=0)

	QTextControl (const QString &text, QObject *parent=0)

	QTextControl (QTextDocument doc, QObject parent=0)

QRectF	selectionRect (const QTextCursor &cursor) const

QRectF	selectionRect () const

void	setAcceptRichText (bool accept)

void	setCurrentCharFormat (const QTextCharFormat &format)

void	setCursorIsFocusIndicator (bool b)

void	setCursorWidth (int width)

void	setDocument (QTextDocument *document)

void	setDragEnabled (bool enabled)

void	setExtraSelections (const QList< QTextEdit::ExtraSelection > &selections)

void	setFocus (bool focus, Qt::FocusReason=Qt::OtherFocusReason)

bool	setFocusToAnchor (const QTextCursor &newCursor)

bool	setFocusToNextOrPreviousAnchor (bool next)

void	setIgnoreUnusedNavigationEvents (bool ignore)

void	setOpenExternalLinks (bool open)

void	setOverwriteMode (bool overwrite)

void	setPalette (const QPalette &pal)

void	setTextCursor (const QTextCursor &cursor)

void	setTextInteractionFlags (Qt::TextInteractionFlags flags)

void	setTextWidth (qreal width)

void	setWordSelectionEnabled (bool enabled)

QSizeF	size () const

QTextCursor	textCursor () const

Qt::TextInteractionFlags	textInteractionFlags () const

qreal	textWidth () const

QString	toHtml () const

QString	toPlainText () const

virtual	~QTextControl ()

Public Functions inherited from QObject
bool	blockSignals (bool b)
	If block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it). More...

const QObjectList &	children () const
	Returns a list of child objects. More...

bool	connect (const QObject sender, const char signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const

bool	disconnect (const char signal=0, const QObject receiver=0, const char *member=0)

bool	disconnect (const QObject receiver, const char member=0)

void	dumpObjectInfo ()
	Dumps information about signal connections, etc. More...

void	dumpObjectTree ()
	Dumps a tree of children to the debug output. More...

QList< QByteArray >	dynamicPropertyNames () const
	Returns the names of all properties that were dynamically added to the object using setProperty(). More...

virtual bool	eventFilter (QObject , QEvent )
	Filters events if this object has been installed as an event filter for the watched object. More...

template<typename T >
T	findChild (const QString &aName=QString()) const
	Returns the child of this object that can be cast into type T and that is called name, or 0 if there is no such object. More...

template<typename T >
QList< T >	findChildren (const QString &aName=QString()) const
	Returns all children of this object with the given name that can be cast to type T, or an empty list if there are no such objects. More...

template<typename T >
QList< T >	findChildren (const QRegExp &re) const

bool	inherits (const char *classname) const
	Returns true if this object is an instance of a class that inherits className or a QObject subclass that inherits className; otherwise returns false. More...

void	installEventFilter (QObject *)
	Installs an event filter filterObj on this object. More...

bool	isWidgetType () const
	Returns true if the object is a widget; otherwise returns false. More...

void	killTimer (int id)
	Kills the timer with timer identifier, id. More...

virtual const QMetaObject *	metaObject () const
	Returns a pointer to the meta-object of this object. More...

void	moveToThread (QThread *thread)
	Changes the thread affinity for this object and its children. More...

QString	objectName () const

QObject *	parent () const
	Returns a pointer to the parent object. More...

QVariant	property (const char *name) const
	Returns the value of the object's name property. More...

Q_INVOKABLE	QObject (QObject *parent=0)
	Constructs an object with parent object parent. More...

void	removeEventFilter (QObject *)
	Removes an event filter object obj from this object. More...

void	setObjectName (const QString &name)

void	setParent (QObject *)
	Makes the object a child of parent. More...

bool	setProperty (const char *name, const QVariant &value)
	Sets the value of the object's name property to value. More...

void	setUserData (uint id, QObjectUserData *data)

bool	signalsBlocked () const
	Returns true if signals are blocked; otherwise returns false. More...

int	startTimer (int interval)
	Starts a timer and returns a timer identifier, or returns zero if it could not start a timer. More...

QThread *	thread () const
	Returns the thread in which the object lives. More...

QObjectUserData *	userData (uint id) const

virtual	~QObject ()
	Destroys the object, deleting all its child objects. More...

Public Variables
QPlainTextEdit *	textEdit

int	topBlock

Additional Inherited Members
Public Slots inherited from QTextControl
void	adjustSize ()

void	append (const QString &text)

void	appendHtml (const QString &html)

void	appendPlainText (const QString &text)

void	clear ()

void	copy ()

void	cut ()

void	insertHtml (const QString &text)

void	insertPlainText (const QString &text)

void	paste (QClipboard::Mode mode=QClipboard::Clipboard)

void	redo ()

void	selectAll ()

void	setHtml (const QString &text)

void	setPlainText (const QString &text)

void	undo ()

Public Slots inherited from QObject
void	deleteLater ()
	Schedules this object for deletion. More...

Signals inherited from QTextControl
void	blockCountChanged (int newBlockCount)

void	copyAvailable (bool b)

void	currentCharFormatChanged (const QTextCharFormat &format)

void	cursorPositionChanged ()

void	documentSizeChanged (const QSizeF &)

void	linkActivated (const QString &link)

void	linkHovered (const QString &)

void	microFocusChanged ()

void	modificationChanged (bool m)

void	redoAvailable (bool b)

void	selectionChanged ()

void	textChanged ()

void	undoAvailable (bool b)

void	updateRequest (const QRectF &rect=QRectF())

void	visibilityRequest (const QRectF &rect)

Signals inherited from QObject
void	destroyed (QObject *=0)
	This signal is emitted immediately before the object obj is destroyed, and can not be blocked. More...

Static Public Functions inherited from QObject
static bool	connect (const QObject sender, const char signal, const QObject receiver, const char member, Qt::ConnectionType=Qt::AutoConnection)
	Creates a connection of the given type from the signal in the sender object to the method in the receiver object. More...

static bool	connect (const QObject sender, const QMetaMethod &signal, const QObject receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection)

static bool	disconnect (const QObject sender, const char signal, const QObject receiver, const char member)
	Disconnects signal in object sender from method in object receiver. More...

static bool	disconnect (const QObject sender, const QMetaMethod &signal, const QObject receiver, const QMetaMethod &member)

static uint	registerUserData ()

static QString	tr (const char sourceText, const char comment=0, int n=-1)

static QString	trUtf8 (const char sourceText, const char comment=0, int n=-1)

Static Public Variables inherited from QObject
static const QMetaObject	staticMetaObject
	This variable stores the meta-object for the class. More...

Protected Functions inherited from QTextControl
virtual bool	event (QEvent *e)
	This virtual function receives events to an object and should return true if the event e was recognized and processed. More...

virtual void	timerEvent (QTimerEvent *e)
	This event handler can be reimplemented in a subclass to receive timer events for the object. More...

Protected Functions inherited from QObject
virtual void	childEvent (QChildEvent *)
	This event handler can be reimplemented in a subclass to receive child events. More...

virtual void	connectNotify (const char *signal)
	This virtual function is called when something has been connected to signal in this object. More...

virtual void	customEvent (QEvent *)
	This event handler can be reimplemented in a subclass to receive custom events. More...

virtual void	disconnectNotify (const char *signal)
	This virtual function is called when something has been disconnected from signal in this object. More...

	QObject (QObjectPrivate &dd, QObject *parent=0)

int	receivers (const char *signal) const
	Returns the number of receivers connected to the signal. More...

QObject *	sender () const
	Returns a pointer to the object that sent the signal, if called in a slot activated by a signal; otherwise it returns 0. More...

int	senderSignalIndex () const

Protected Variables inherited from QObject
QScopedPointer< QObjectData >	d_ptr

Static Protected Variables inherited from QObject
static const QMetaObject	staticQtMetaObject

Related Functions inherited from QObject
T	qFindChildqFindChildren (const QObject *obj, const QString &name)()

QList< T >	qFindChildrenqFindChildren (const QObject *obj, const QString &name)()

QList< T >	qFindChildrenqFindChildren (const QObject *obj, const QRegExp &regExp)()

T *	qobject_cast (QObject *object)

	QObjectList

void *	qt_find_obj_child (QObject parent, const char type, const QString &name)
	Returns a pointer to the object named name that inherits type and with a given parent. More...

Detailed Description

Definition at line 76 of file qplaintextedit_p.h.

Constructors and Destructors

◆ QPlainTextEditControl()

QPlainTextEditControl::QPlainTextEditControl ( QPlainTextEdit * parent )

Definition at line 443 of file qplaintextedit.cpp.

     : QTextControl(parent), textEdit(parent),
       topBlock(0)
 {
     setAcceptRichText(false);
 }

Functions

◆ blockBoundingRect()

QRectF QPlainTextEditControl::blockBoundingRect ( const QTextBlock & block ) const

virtual

Reimplemented from QTextControl.

Definition at line 570 of file qplaintextedit.cpp.

                                                                              {
     int currentBlockNumber = topBlock;
     int blockNumber = block.blockNumber();
     QTextBlock currentBlock = document()->findBlockByNumber(currentBlockNumber);
     if (!currentBlock.isValid())
         return QRectF();
     Q_ASSERT(currentBlock.blockNumber() == currentBlockNumber);
     QTextDocument *doc = document();
     QPlainTextDocumentLayout *documentLayout = qobject_cast<QPlainTextDocumentLayout*>(doc->documentLayout());
     Q_ASSERT(documentLayout);
 
     QPointF offset;
     if (!block.isValid())
         return QRectF();
     QRectF r = documentLayout->blockBoundingRect(currentBlock);
     int maxVerticalOffset = r.height();
     while (currentBlockNumber < blockNumber && offset.y() - maxVerticalOffset <= 2* textEdit->viewport()->height()) {
         offset.ry() += r.height();
         currentBlock = currentBlock.next();
         ++currentBlockNumber;
         if (!currentBlock.isVisible()) {
             currentBlock = doc->findBlockByLineNumber(currentBlock.firstLineNumber());
             currentBlockNumber = currentBlock.blockNumber();
         }
         r = documentLayout->blockBoundingRect(currentBlock);
     }
     while (currentBlockNumber > blockNumber && offset.y() + maxVerticalOffset >= -textEdit->viewport()->height()) {
         currentBlock = currentBlock.previous();
         --currentBlockNumber;
         while (!currentBlock.isVisible()) {
             currentBlock = currentBlock.previous();
             --currentBlockNumber;
         }
         if (!currentBlock.isValid())
             break;
 
         r = documentLayout->blockBoundingRect(currentBlock);
         offset.ry() -= r.height();
     }
 
     if (currentBlockNumber != blockNumber) {
         // fallback for blocks out of reach. Give it some geometry at
         // least, and ensure the layout is up to date.
         r = documentLayout->blockBoundingRect(block);
         if (currentBlockNumber > blockNumber)
             offset.ry() -= r.height();
     }
     r.translate(offset);
     return r;
 }

◆ canInsertFromMimeData()

bool QPlainTextEditControl::canInsertFromMimeData ( const QMimeData * source ) const

virtual

Reimplemented from QTextControl.

Definition at line 473 of file qplaintextedit.cpp.

                                                                                {
     QPlainTextEdit *ed = qobject_cast<QPlainTextEdit *>(parent());
     if (!ed)
         return QTextControl::canInsertFromMimeData(source);
     return ed->canInsertFromMimeData(source);
 }

◆ createMimeDataFromSelection()

QMimeData * QPlainTextEditControl::createMimeDataFromSelection ( ) const

virtual

Reimplemented from QTextControl.

Definition at line 467 of file qplaintextedit.cpp.

                                                                     {
         QPlainTextEdit *ed = qobject_cast<QPlainTextEdit *>(parent());
         if (!ed)
             return QTextControl::createMimeDataFromSelection();
         return ed->createMimeDataFromSelection();
     }

◆ cursorRect() [1/2]

QRectF QPlainTextEditControl::cursorRect ( const QTextCursor & cursor ) const

inline

Definition at line 88 of file qplaintextedit_p.h.

Referenced by QPlainTextEditPrivate::pageUpDown().

                                                               {
         QRectF r = QTextControl::cursorRect(cursor);
         r.setLeft(qMax(r.left(), (qreal) 0.));
         return r;
     }

◆ cursorRect() [2/2]

QRectF QPlainTextEditControl::cursorRect ( )

inline

Definition at line 93 of file qplaintextedit_p.h.

Referenced by cursorRect().

93 { return cursorRect(textCursor()); }

QTextControl::textCursor

QTextCursor textCursor() const

Definition: qtextcontrol.cpp:850

QPlainTextEditControl::cursorRect

QRectF cursorRect()

Definition: qplaintextedit_p.h:93

◆ ensureCursorVisible()

void QPlainTextEditControl::ensureCursorVisible ( )

inlinevirtual

Reimplemented from QTextControl.

Definition at line 94 of file qplaintextedit_p.h.

                                {
         textEdit->ensureCursorVisible();
         emit microFocusChanged();
     }

◆ firstVisibleBlock()

QTextBlock QPlainTextEditControl::firstVisibleBlock ( ) const

Definition at line 516 of file qplaintextedit.cpp.

 {
     return document()->findBlockByNumber(topBlock);
 }

◆ hitTest()

int QPlainTextEditControl::hitTest	(	const QPointF &	point,
		Qt::HitTestAccuracy	= `Qt::FuzzyHit`
	)		const

virtual

Reimplemented from QTextControl.

Definition at line 523 of file qplaintextedit.cpp.

                                                                                  {
     int currentBlockNumber = topBlock;
     QTextBlock currentBlock = document()->findBlockByNumber(currentBlockNumber);
     if (!currentBlock.isValid())
         return -1;
 
     QPlainTextDocumentLayout *documentLayout = qobject_cast<QPlainTextDocumentLayout*>(document()->documentLayout());
     Q_ASSERT(documentLayout);
 
     QPointF offset;
     QRectF r = documentLayout->blockBoundingRect(currentBlock);
     while (currentBlock.next().isValid() && r.bottom() + offset.y() <= point.y()) {
         offset.ry() += r.height();
         currentBlock = currentBlock.next();
         ++currentBlockNumber;
         r = documentLayout->blockBoundingRect(currentBlock);
     }
     while (currentBlock.previous().isValid() && r.top() + offset.y() > point.y()) {
         offset.ry() -= r.height();
         currentBlock = currentBlock.previous();
         --currentBlockNumber;
         r = documentLayout->blockBoundingRect(currentBlock);
     }
 
 
     if (!currentBlock.isValid())
         return -1;
     QTextLayout *layout = currentBlock.layout();
     int off = 0;
     QPointF pos = point - offset;
     for (int i = 0; i < layout->lineCount(); ++i) {
         QTextLine line = layout->lineAt(i);
         const QRectF lr = line.naturalTextRect();
         if (lr.top() > pos.y()) {
             off = qMin(off, line.textStart());
         } else if (lr.bottom() <= pos.y()) {
             off = qMax(off, line.textStart() + line.textLength());
         } else {
             off = line.xToCursor(pos.x(), overwriteMode() ?
                                  QTextLine::CursorOnCharacter : QTextLine::CursorBetweenCharacters);
             break;
         }
     }
 
     return currentBlock.position() + off;
 }

◆ insertFromMimeData()

void QPlainTextEditControl::insertFromMimeData ( const QMimeData * source )

virtual

Reimplemented from QTextControl.

Definition at line 479 of file qplaintextedit.cpp.

                                                                       {
     QPlainTextEdit *ed = qobject_cast<QPlainTextEdit *>(parent());
     if (!ed)
         QTextControl::insertFromMimeData(source);
     else
         ed->insertFromMimeData(source);
 }

◆ loadResource()

QVariant QPlainTextEditControl::loadResource	(	int	type,
		const QUrl &	name
	)

inlinevirtual

Reimplemented from QTextControl.

Definition at line 104 of file qplaintextedit_p.h.

                                                       {
         return textEdit->loadResource(type, name);
     }

Properties

◆ textEdit

QPlainTextEdit* QPlainTextEditControl::textEdit

Definition at line 100 of file qplaintextedit_p.h.

Referenced by blockBoundingRect(), and ensureCursorVisible().

◆ topBlock

int QPlainTextEditControl::topBlock

Definition at line 101 of file qplaintextedit_p.h.

Referenced by blockBoundingRect(), firstVisibleBlock(), hitTest(), QPlainTextEditPrivate::horizontalOffset(), and QPlainTextEditPrivate::pageUpDown().

The documentation for this class was generated from the following files:

/src/gui/widgets/qplaintextedit_p.h
/src/gui/widgets/qplaintextedit.cpp

Public Functions

Public Variables

Additional Inherited Members

Detailed Description

Constructors and Destructors

◆ QPlainTextEditControl()

Functions

◆ blockBoundingRect()

◆ canInsertFromMimeData()

◆ createMimeDataFromSelection()

◆ cursorRect() [1/2]

◆ cursorRect() [2/2]

◆ ensureCursorVisible()

◆ firstVisibleBlock()

◆ hitTest()

◆ insertFromMimeData()

◆ loadResource()

Properties

◆ textEdit

◆ topBlock